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Cisco Bug: CSCus85031 - DHCP option 249 failing on IOS-XE

Last Modified

Feb 14, 2018

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

DHCP INFORM packet reaches ASR1k but DHCP ACK is never sent back on the interface.

"debug ip dhcp server event" and "debug ip dhcp server packet" confirms DHCP INFORM gets to the unit but packet is dropped at HW level.

F340.27.25.ISR4431-4#$rm hardware qfp active statistics drop | exclude _0_
Global Drop Stats                         Packets                  Octets
Discard                                               2                              112
Ipv4NoRoute                                   6                              388

Issue specific to IOS-XE
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